DevTools: move message management from UISourceCodeFrame to UISourceCode

third_party/WebKit/Source/devtools/front_end/workspace/UISourceCode.js

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 421 matching lines @@
       this._workingCopy = this._workingCopyGetter();
       delete this._workingCopyGetter;
     }
     if (this.isDirty())
       return this._workingCopy;
     return this._content;
   }
 
   resetWorkingCopy() {
     this._innerResetWorkingCopy();
-    this.dispatchEventToListeners(Workspace.UISourceCode.Events.WorkingCopyChanged);
+    this._workingCopyChanged();
   }
 
   _innerResetWorkingCopy() {
     delete this._workingCopy;
     delete this._workingCopyGetter;
   }
 
   /**
    * @param {string} newWorkingCopy
    */
   setWorkingCopy(newWorkingCopy) {
     this._workingCopy = newWorkingCopy;
     delete this._workingCopyGetter;
-    this.dispatchEventToListeners(Workspace.UISourceCode.Events.WorkingCopyChanged);
-    this._project.workspace().dispatchEventToListeners(
-        Workspace.Workspace.Events.WorkingCopyChanged, {uiSourceCode: this});
+    this._workingCopyChanged();
   }
 
   setWorkingCopyGetter(workingCopyGetter) {
     this._workingCopyGetter = workingCopyGetter;
+    this._workingCopyChanged();
+  }
+
+  _workingCopyChanged() {
+    this._removeAllMessages();
     this.dispatchEventToListeners(Workspace.UISourceCode.Events.WorkingCopyChanged);
     this._project.workspace().dispatchEventToListeners(
         Workspace.Workspace.Events.WorkingCopyChanged, {uiSourceCode: this});
   }
 
   removeWorkingCopyGetter() {
     if (!this._workingCopyGetter)
       return;
     this._workingCopy = this._workingCopyGetter();
     delete this._workingCopyGetter;
@@ skipping 115 matching lines @@
   }
 
   /**
    * @param {!Workspace.UISourceCode.Message} message
    */
   removeMessage(message) {
     if (this._messages.remove(message))
       this.dispatchEventToListeners(Workspace.UISourceCode.Events.MessageRemoved, message);
   }
 
-  removeAllMessages() {
+  _removeAllMessages() {
     var messages = this._messages;
     this._messages = [];
     for (var message of messages)
       this.dispatchEventToListeners(Workspace.UISourceCode.Events.MessageRemoved, message);
   }
 
   /**
    * @param {number} lineNumber
    * @param {string} type
    * @param {?} data
@@ skipping 334 matching lines @@
 Workspace.UISourceCodeMetadata = class {
   /**
    * @param {?Date} modificationTime
    * @param {?number} contentSize
    */
   constructor(modificationTime, contentSize) {
     this.modificationTime = modificationTime;
     this.contentSize = contentSize;
   }
 };